* In general special prayers to be said at Mass in addition to the regular Collect of the Mass, when rubrics permit, e.g., those prescribed by the pope or bishop for a special cause (oratio imperata) as, for instance, prayer for the pope during his jubilee year, a prayer in time of persecution; those prescribed by the rubrics on simple and semi-double feasts.

* Prayers prescribed for the faithful for the gaining of indulgences, benefits, etc.